| gptkbp:instanceOf | gptkb:satellite 
 | 
                        
                            
                                | gptkbp:COSPAR_ID | 1971-045A 
 | 
                        
                            
                                | gptkbp:duration | orbiter: 362 days 
 | 
                        
                            
                                | gptkbp:firstBook | first human-made object to reach Mars surface 
 | 
                        
                            
                                | gptkbp:landerEntryDate | 1971-11-27 
 | 
                        
                            
                                | gptkbp:landerInstruments | gptkb:bar gptkb:television
 gptkb:temperature
 gptkb:wind
 gptkb:detector
 chemical analysis kit
 penetrometer
 soil sampler
 
 | 
                        
                            
                                | gptkbp:landerMass | 1210 kg 
 | 
                        
                            
                                | gptkbp:landerStatus | crashed on Mars 
 | 
                        
                            
                                | gptkbp:launchDate | 1971-05-19 
 | 
                        
                            
                                | gptkbp:launchSite | gptkb:Baikonur_Cosmodrome 
 | 
                        
                            
                                | gptkbp:launchVehicle | gptkb:Proton-K/D 
 | 
                        
                            
                                | gptkbp:manufacturer | gptkb:Lavochkin 
 | 
                        
                            
                                | gptkbp:missionType | gptkb:satellite orbiter
 
 | 
                        
                            
                                | gptkbp:objective | analyze Martian soil study solar wind
 study Mars atmosphere
 study Mars surface
 test landing technology
 measure cosmic rays
 study micrometeoroids
 search for signs of life
 measure Mars magnetic field
 
 | 
                        
                            
                                | gptkbp:operator | gptkb:Soviet_Union 
 | 
                        
                            
                                | gptkbp:orbiterImaging | sent back images of Mars 
 | 
                        
                            
                                | gptkbp:orbiterInstruments | gptkb:cosmic_ray_detector gptkb:imaging_system
 gptkb:radar
 gptkb:spectrometer
 gptkb:magnetometer
 micrometeoroid detector
 solar plasma detector
 
 | 
                        
                            
                                | gptkbp:orbiterMass | 3440 kg 
 | 
                        
                            
                                | gptkbp:orbiterStatus | successful Mars orbit 
 | 
                        
                            
                                | gptkbp:program | gptkb:Mars_program 
 | 
                        
                            
                                | gptkbp:relatedTo | Mars 3 mission Mars 1 mission
 
 | 
                        
                            
                                | gptkbp:target | gptkb:Mars 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Mars_Magnetic_Field_Detector 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Mars 2 mission 
 |